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(No Model.) 3 Sheets-Sheet 1.

J. J. MARGHANT.

GENERATOR. No. 566,203. Patented Aug. 18, 1896.

INVENTOR Mm. v 6

ATTORNEYS.

THE mums warns co, PncT0-L|YHO., WASHINGTON. n. c

(No Model.) 3 Sheets--Sheet 2. J. J. MARGHANT. GENERATOR Patented Aug. 18, 1896.

WITNESSES ATTORNEYS.

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(No Model.) 3 Sheets-Sheet 3. J. J. MAROHANT. GENERATOR.

Patented Aug. 18, 1896.

IIVVENTOH WITNESSES ATENT nrrcn.

JOIIN JAMES MARCHANT, OF RIO JANEIRO, BRAZIL.

GENERATOR.

SPECIFICATION forming part of Letters Patent No. 566,203, dated August 18, 1896. Application filed October 26, 1895. Serial No. 566,952. (No model.)

To all whom it may concern:

Be it known that I, JOHN JAMES MARCHANT, a citizen of the United States, residing in Rio de .Ianeiro, Brazil, have invented a new and Improved Generator, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved generator which is simple and durable in construction, and more especially designed for use in boilers, blowpipes, and other devices for generating steam and heat in a very economic manner and to insure a complete combustion of the fuel employed.

The invention consists principally of a tube, into the front end of which discharges a steam-nozzle, and a heat and flame producing device in the front of the said tube to cause the heat to be forced into the said tube by the steam ejected by the said nozzle.

The invention also consists of certain parts and details and combinations of the same, as will be fully described hereinafter, and then pointed out inthe claims.

Reference is to be had to the accompanying drawings, forminga part of this specification, in which similar characters of reference indi' cate corresponding parts in all the figures.

Figure 1 is a front elevation of the improvement as applied to a boiler. Fig. 2 is a longitudinal section of the same. Fig. 3 is a plan view of the improvement as applied to a blowpipe. Fig. 4 is an end elevation of the same. Fig. 5 is a sectional side elevation of the same 011 the line 5 5 of Fig. 4.. Fig. 6 is a sectional side elevation of the mouth of the blowpipe, and Fig. 7 is a cross-section of the same on the line 7 7 of Fig. 6.

The improved generator, as shown in Figs. 1 and 2, is applied to a steam-boi1er A, provided with a tube 13, extendinglongitudin ally through the boiler and connected at its front end by a smaller opening 0 with the interior of a fire-box 0, containing in its bottom the usual grate D, leading to an ash-pit E. The latter is provided with an ash-pit door E at its front, and at its rear end is arranged an air-supply pipe F. to furnish a sufficient quantity of air to aid the combustion of the fuel burning on the grate D.

The fire-box O is provided with the usual door 0 and with a feed-hopper F for introd ucin g a constant supply of fuel into the said fire-box O. A pipe G, connected with a suitable oil supply, opens into the fire-box G below the hopper F to furnish oil to aid the burning of the fuel in the said fire-box O. The latter is surrounded by a water-jacket H, connected by pipes II and H with the water and steam compartments of the boiler A, and the water-jacket is also provided with a suitable pipe H connected with a suitable source of water supply, to furnish'the boiler with the necessary feed-water. The boiler is also provided with the usual pipe connections, gages, &c., common to ordinary boilers.

\Vith the steam-compartment of the boiler A connects a pipe I, which extends through the tube B and the opening G into the upper part of the fire-box C, and the outer end of this pipe I is provided with a steam-nozzle I, arranged a suitable distance from the opening C, but in alinement therewith, so that the steam escaping from the said nozzle passes through the opening 0' into the tube B and through the latter in a longitudinal direction. The steam for the pipe I may come from other sources, for instance from the exhaust of the engine, &c.

Now it will be seen that when the fuel is burning in the fire-box C, the heat emanatin g from the said burning fuel is forced through the opening G into the tube B by the action of the steam ejected through the nozzle I, so that the burning gases, smoke, &c., are not only directed into the said tube by the action of the steam, but the latter also mixes with the same to insure complete combustion. Thus it will be seen that a very high heat passes through the tube 13 to quickly heat the Water therein to generate the steam, part or all of which is used by the pipe I and nozzle I for the purpose previously mentioned, after its required expansion force has been utilized as power.

As illustrated in Figs. 3, t, 5, 6, and 7, the generator is arranged for a blowpipe, and in this case the boiler A is provided with a longitudinally-extending tube B, formed at its front end with a reduced opening B into which passes the steam ejected through the steam-nozzle I attached to a pipe 1 extending through the tube B, and connected with the steam-compartment of the boiler A. A

burner J is arranged on the front end of the boiler A below the opening B so that flame and heat produced by the said burner is drawn through the opening 13 into the said tube B by the action of the steam escaping from the nozzle 1 it being understood that the latter is arranged in alinement with the opening B of the tube B. A shield 13 is arranged over that part of the pipe I located directly above the burner J, so as to cause all the heat and flame of the said burner to pass through the opening 13 into the tube B. The burner J is held on the upper end of a pipe K, connected by a pipe L with a suitable source of gas or oil supply, and in said pipe K is arranged a valve K for controlling the amount of oil passing through the burner J.

From the steam-compartment of the boiler A leads a steam-pipe N, passing into the tube B and coiled therein, and carrying at its outer end a steam-nozzle N, extending into the casing O of a blowpipe. The casing O is provided With a mouth 0, so constructed as to cause all the flame to be caught by the steam escaping from nozzle N. A pipe P also opens into the casing 0 above the pipe N, as is plainly shown in Figs. 5, 6, and 7, and this pipe P extends or is coiled in the tube 13' and connects with the lower end of the pipe K to receive oil from the oil-supply pipe L, the amount of oil being controlled by a valve Q. Now it will be seen that the oil passing from the pipe K into the pipe P by way of the valve Q is vaporized at the time the oil passes through that part of the pipe P in the tube 13, to finally pass as vapor into the casing O, to mix and burn with the steam escaping at the nozzle N.

It will be seen by the arrangement described steam is quickly generated in the boiler, and part of the steam is utilized for causing the flame of the heat-producing device to pass through the tube in which a very high heat is developed. The heat in the tube is utilized for generating steam and also for vaporizing the oil for the blowpipe, it being also understood that the steam for the blowpipe is superheated while passing through the pipes I, I and N.

The desired flame, either pointed or brushlike, as the case may be, is readily obtained by distributing conveniently the oil or gas supply by the valves or faucets K and Q.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. A generator, comprising a boiler having a tube extending longitudinally through the boiler, the said tube being provided at its front end with an opening of less diameter than the said tube, a steam-supply pipe connected with a source of steam supply, the said pipe extending through said tube and projecting therefrom at the front end, a steamnozzle on the front end of the said pipe, the said nozzle having its end directed rearwardly in direction of the reduced opening in the front of the tube and in alinement therewith, and a heat and [lame producing device arranged in front of said tube and below the steam -nozzle, whereby the heat and gases will be forced into the said tube by the steam ejected at the nozzle, substantially as shown and described.

2. A generator, comprising a tube having an opening at its front end, a steam-supply pipe connected at its rearend with the steamcompartment of the boiler and passing through the said tube and projecting therefrom at the front end, a steam-nozzle at the front end of the said pipe, the said nozzle having its end directed rearwardly and arranged in alinement with the opening in the front end of said tube, a heat and flame producing device arranged at the front of said tube, and a burning-fluid-supply pipe connected with said heat and flame producing device, substantially as shown and described.

3. A generator, comprising a boiler having a longitudinally-extending tube provided at its front end with a reducing opening, a steam-supply pipe connected with the steamcompartment of the said boiler and passing through the said tube, a nozzle at the front end of the said pipe and in alinement with the said opening in the front end of the tube, a heat and flame producing device in front of the said tube-opening, to cause the heat and gases emanating from the device to be forced into the said tube by the steam ejected by the said nozzle, a blowpipe, a second steam-supply pipe connected with the said boiler and with the said blowpipe and carrying in the latter a nozzle, and an oilpipe connected with a suitable source of oil supply and extending in the tube, to finally connect with the said blowpipe, so that the oil passing in the pipe is vaporized and finally passes in this state into the said blowpipe, substantially as shown and described.

JOHN JAMES MARCHANT.

XVitnesses:

REUBEN CLEAING, JNo. T. Lnwis. 

